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Come along wit Eric O at SMA and let's have a look at this 2006 Jeep Grand Cherokee that tends to run a fever if it is left sitting. Not only do we diagnose a bad fan assembly but we get to play around with the Bosch VCI module and check out some of the bidirectional functions of it.
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Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair.

48 thoughts on “Jeep grand cherokee – overheating at idle”
  1. Avataaar/Circle Created with python_avatars Alan Lashley says:

    I know your community is very grateful to have you and your shop there, I enjoy your videos very much.

  2. Avataaar/Circle Created with python_avatars SummerTimeHigh YT says:

    Yeahhhhhh definitely never see my electric fan on. Hoping that's my problem because I don't have a diagnostics scan tool to turn things on. I could just turn on AC I suppose.

  3. Avataaar/Circle Created with python_avatars Kat Prince says:

    That fluid extractor sounds like when I was at the dentist as a youngster.

  4. Avataaar/Circle Created with python_avatars claymore cluepile says:

    good video…..lose the music and intro…..those musical intros are so cheap and cheesy …..just say hi and get on with the bizniz

  5. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    Great video as always Eric O nice bosch VCI Bi directional module @SouthMainAutoRepairLLC

  6. Avataaar/Circle Created with python_avatars Bill Smith says:

    So you're saying gravity sucks? Who knew!! ๐Ÿฅบ

  7. Avataaar/Circle Created with python_avatars Brian Coleman says:

    Love your channel so honest I wish more mechanics would like you instead of bunch of jerks

  8. Avataaar/Circle Created with python_avatars Eastern Europe bih says:

    Hi anyone knows how to fix conector that conect to fan something work sometimes doesn't i touch the conector and it starts what shuld i do please

  9. Avataaar/Circle Created with python_avatars michelediane miller says:

    oh how i wish my wj had a electric fan instead of hydrofan

  10. Avataaar/Circle Created with python_avatars claudio tartagni says:

    U a genius….u make a stupid skede as me understundom…a question..do polo 1.4 year 2000 have high and low speed in fan?

  11. Avataaar/Circle Created with python_avatars Ning3n says:

    Buying Dorman. You gotta be a dork, man.
    Their parts are doo-doo. (former employee)

  12. Avataaar/Circle Created with python_avatars FATHER GUIDOSARDUCHI says:

    Boy expensive just by looks since it incorporates the shroud too.

  13. Avataaar/Circle Created with python_avatars X7rocks says:

    Can we swap to an electric fan? Having same issue with my cherokee and the fan just doesn't spin for crap at high temps.

  14. Avataaar/Circle Created with python_avatars Metal Halide says:

    For 3.7 Jeep WK how to test fan high / low speed and if spinning fast enough, when I have AC on fan seems like its not spinning fast enough..

  15. Avataaar/Circle Created with python_avatars JAT - Just Amature Tech - Phil PJ Davis says:

    No warm up drive test to check thermostat, fan relay and engine coolant sensor??

  16. Avataaar/Circle Created with python_avatars JAT - Just Amature Tech - Phil PJ Davis says:

    That'll be $425 please!

  17. Avataaar/Circle Created with python_avatars JAT - Just Amature Tech - Phil PJ Davis says:

    Needs a Fan? Or Fan motor?? And you didn't say after the probe light test what the problem was, like the motor was blown? You just said it needs a fan?

  18. Avataaar/Circle Created with python_avatars fomoco300k says:

    Way to go using the Molar coolant! Most people cheap out on that.

  19. Avataaar/Circle Created with python_avatars David Robins says:

    Another great video. Thanks for showing us how.

  20. Avataaar/Circle Created with python_avatars James pate sr says:

    First mistake was buying a jeep

  21. Avataaar/Circle Created with python_avatars Shared Knowledge says:

    Jeep is so cheap and clueless as to use whatโ€™s apparently an engine driven fan shroud with no engine driven fan. WTF Jeep? Not only was this a fail, like many things Jeep, it wasnโ€™t even designed right in the first place. And the Bosch scan tool is slow and crude. Iโ€™m surprised you put up with it.

  22. Avataaar/Circle Created with python_avatars H says:

    GO TRUMP 2024๐Ÿ‘€
    cnn = fake news
    joe biden is a illegitimate president
    IMPEACH joe biden " Rigged" presidential election
    sleepy joe" Beijing" biden will never be my president
    America On The Brink Of Civil War 2.0

    cnn = fake news

  23. Avataaar/Circle Created with python_avatars SolLOV LOV says:

    tools sizes please for the newbie, or a girl..who wants to try.

  24. Avataaar/Circle Created with python_avatars Noah the Flowa says:

    Even Jeeps hats break down over a few years

  25. Avataaar/Circle Created with python_avatars Paublus Americanus AMERICANUS says:

    My Dodge gets very warm at idle and underway runs at a maximum of 185 to 190. Idling it reaches 215 degrees and cools to 205. At a steady 80mph it gets 30mpg and runs up to 190. Eric O. Worked on a car that had a heater in the thermostat. Probably the stupidest idea except what engineers do to the steering column which is engineering idiocy personified.

  26. Avataaar/Circle Created with python_avatars James Harvill says:

    #

  27. Avataaar/Circle Created with python_avatars Dan Gabrielson says:

    Great videos

  28. Avataaar/Circle Created with python_avatars Jeep Wiz says:

    What tool is that which yiu are using? I like how slim it is and it looks light weight.

  29. Avataaar/Circle Created with python_avatars Michael Hanmer says:

    How many miles were on that jeep at the time this video was made? My jeep just turned over 91k and it overheated on me in the drive through the other day.

  30. Avataaar/Circle Created with python_avatars Michael Robertson says:

    Did you say "8 track" ?

  31. Avataaar/Circle Created with python_avatars Chris Fiorenzi says:

    Jiminy cricket

  32. Avataaar/Circle Created with python_avatars george curtis says:

    I know this is old. But rather disappointed that you had a chance to easily reverse blow out the radiator but you didnt. No extra service, eh.

  33. Avataaar/Circle Created with python_avatars Mr. Beard says:

    Good time to flush the radiator

  34. Avataaar/Circle Created with python_avatars Abel Urrutia says:

    Great video.

  35. Avataaar/Circle Created with python_avatars Crispr Talk says:

    oh yes the artsy intro!! loved it.

  36. Avataaar/Circle Created with python_avatars Donnie Robertson says:

    Second time watching 7/3/2020

  37. Avataaar/Circle Created with python_avatars Salvador Gutierrezr says:

    ๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘

  38. Avataaar/Circle Created with python_avatars Rinker says:

    The cricket likes the brake clean a bit much

  39. Avataaar/Circle Created with python_avatars bub8312 says:

    Do you wear that hat because you work on them constantly?

  40. Avataaar/Circle Created with python_avatars Bert Grau says:

    I had a 1998 Chrysler Concord with the same problem, what I found each motor had a seprate ground, both were bad. Made up new ground wires, and they worked great. I must have been lucky, compared to this.
    My Chrysler had 2 small fans one came on at around 195 degrees then the other at 205 if I remember correctly

  41. Avataaar/Circle Created with python_avatars E Armstrong says:

    I would never allow my mechanic to use Dorman products unless there were NO other options

  42. Avataaar/Circle Created with python_avatars Handsome Muggle says:

    My Mum had a Toyota Corona Mk 2. The mechanical fan from the crankshaft pulley was removed (was damaged and replacement part then could not be found) and the auto shop installed a electric fan. He also installed a manual switch to turn on or off. No auto on or off. Was fun pulling up to a store and turning engine off, then manually turning off fan 10 seconds later. Would get alot of attention. This was in 1993.

  43. Avataaar/Circle Created with python_avatars Frank D. Brennan says:

    I was wondering why you went to the scan tool first? I understand that you were checking out the system.

  44. Avataaar/Circle Created with python_avatars Music Man says:

    Cheap Jerokee!

  45. Avataaar/Circle Created with python_avatars Christopher Gray says:

    There is more cost in the fan packaging than there is in the fan itself